Electric telegraphic apparatus.



H. G. MARTIN.

ELECTRIC TELEGRAPHIG APPARATUS.

APPLICATION FILED JULY 1, 1911.

. fQJ-@Afgg vmenta@ 00u29, 1912.

vihmzzmeo: m l 5 we no'a new@ G1 'lJL-BTN, UF EAST BUTHERFORD, NEW JERSEY.

TELEGRAPHC APARATUS.

wich?. may concern:

aun that l Hormon. Gr. MARTIN, the United States. residing at l@ l e Aiford. in the county of Bergen 5 and citate o' New Jersey, have invented certain new and useful lniproven'ients in -Ele t l aphie Appera tus oll which the foli uzerinczlition, reference being had saine, l ention relates to improvements in ,u te ,elegzz'aphic apparatus and its main 'to provide means whereby the i3' send nies with less mau- ;feouii'ed with the apparatue commonly used.

" to the aceoinpanying drawing,

Jolan or top View of one emu ooninleto apparatus; Fig. 2 rfi-on of the ni'ipariltus of looking upward; f' l looking up- Iiew looking to on of i-igr. l above Y Y nl 2o (i u'i hand side oil e line 'iff-Z, omitting 'the two Wire connections, tlifnfridming the uppaintus shown in the in renter detail, Fig, 'l consists zahle 'time l (preferably of metall 3G li 'rests a suitable framework 2 for I fainting Yorin-us Worliing parte. A inanuallzf alienated key4 or lever il. having insut' 5 for preventing shock to he moved preferably to ai? and for this purpose-itu rotativo' vertical rod or Y 'o eworl, shown Two springs "I ,and 8 for returnmy il to normal are arrz nged on oppoeiiles oishaft t5. timing' 7 mayif dene adjusted hy screw 9 and have a "oted lise-ating ll, and spring 8 may be wijusted "y a similar screw l2 and have a i'iiroted tiring ist Adjustable stops 16 45 he used. if desired, for limiting the iigu.J and lei l hat enit-ie Specifieaton of Letters Patent.

kgliezion filed .'uly 1, 1911.

4'said spring against. u stop 8l which i t to tue drawings accompanying and tornug Patented @et Serial No. 636,536.

24 may he employed to hold the contact spring Q0 nornialljyunder a Slight tendon it desired.' A suitable Stop for dende ing or quickly storiping the movements oi' the shaft 18 may also be employed. loai'- ing ll for .springf1 is pii'oted on a small shaft or rod Il() and is normally pre d l tened to `the under side o't kev 2?, ano saine construction is adapted 't'or support, of spring 8. pivoting shaft, top The parts L 9. 1l, 30, 31 and 8, l2? it, 32, 33 are connected to and move with hey Il, and there is preferably a ,en'iall space normally between parts 10 and il7 and lwuccn parts l?, and l-l. 'lllicreilorm uil yu the op erators end ot' key i5 is moved :o the right, spring T is compressed 'out the ten-- sion Ot' spring 8 is not att'ecteth and when the key is uioved to the lettR spring tl is compressed but springA is not ai'i'ected.

Suitable Wire connectioney 26 may he euv ployed for connecting my apparatus with an outside electrical circuit, consist iup; of the. usual twisted insulated Wires. outA o' which is connected through an ordinary hiuoing post 27 with the metallic base l und tlu.l other of which is connected with the insulated Contact yoke 23j Figs. l and Ali the oli-f posite end an ordinary insulated plug 28 'for connection with a line wire in the usual manner. All parts of the apparatus are in electric Contact with the hase l (and one of the wires) except insulated Yoke 2li und points Q1 and The operation of the apijmratus will now he readily understood, When the opeiatf'ir desires to send t message (the plutr being' properly connected), he places his hand upon the insulated parts l and and moves. that. end of the ,lever .f3 quickly to the right bringing the other end against slop l@ and slightly compressing; spring; 7. This moves shaft 1S and all paris connected therewith to the left away from the rest :25 und causes them te vibrate more or lees rapidly a 'f:oi-.fling to the position oi the weight ESL moin left to right upon spring' 17. llilith each vibration of shaft i8 spring 20 niv-.lies and breaks an electric circuit through point El, the current flowing through one of the wires 26, post 2.7, metallic base l, the supporting framework to shaft 6, lever l, spring lll shaft 18, and spring 20 into point 2l and insulzitecl yoke :23, and thence the other Wire and Contact plug Q8 to the outside ein *for telegraph message may tli' "fiby a single movement of lever.

cuit. These successive makes and breaks vof tbe circuit between spring 20and point 21 represent the dote' voi an'ordinarytelegraphic message.,

the key to return to its normal position vbyv tbe action oi" spring 7,' and stop-Zoauses the i/ibretions to quickly cease. fitti/.illv that any required numb operator desiresto makea conlac iiigg a. dash in' e tele' rapine'xfnessagej,l he

si Y gg; This "causessb'aft-iS'elidpntat spring' i120 to :move in theother; direction and make the same electrical circuit; 'through spring 2() and point 22.' rilhe lever being held in the leit bend position the required length of time, operator releasesthepressure thereon. and permits spring 8 to return it Ato normal position. 'By thus moving the lever to the right and left in fthe manner des iberi', tbe loperator 'may send anytelebic message with iess-labor fthanife-` L iin an electric'. teicgrapliic-apparatus,

tbe combination of anoperators key, a' free L vibrator Mwhose movements are controlled' by saidley, a spring directly connecting said key and vibrator 'end on which the .latterl ossi etes, and-a circuit controller o eratirig. Wit. s id vibrator for making boty the dots .tbe clashes of a, 'telegreplno message. t2. in, auelectric telegrafpbic apparatus, tic combination of an operetors key, a free ThelcigeratorfA holds key 3 in ther right bend position 'untilgfthe vibrations '-'fl tion between sai represent-- f y mirad 'with tire standard 'telegraphic instru icordingassaid lkey is movedinroiie direction'v 75 menu Stop may be :omitted and also` vibrator controlled by seid keyfa 'spring directly connecting said key and vibrator and on which the latter oscillates, and means controlled by the movements of said vibrator for making and breaking an electric ciroult 50 and for producing both the dots and the dashes of a telegraphio message. y

3. In an electric telegrapbic apparatus, the combination of an operators key, 'e free vibrator Whose movements are controlled by 55 said key, a -sprin forming a direct conneckey and vibratorfand on which `the latter oscillates, and a' circuit con- -troller'operated by said vibrator formaking the dots of a telegraphic message .Whenisaid 6'0 key ismov'ed in one -directionl and. or'makring the dashesof said message when' said 'key ismoved inthe otl'lerdirectiiritv 4 :1L- In an'. electric telegraphic 'agparatus 'tbecombinetion'ofvano erators. ey mov- 65 l able-fin two vdirections a: "ee vibrator, .Whose movements are controlled .by siiid' i key, a spring-forming a direct connectionfbetween said key-'and vibrator' and on whichthe latter 'f oscillates, and two springs vcerrieci vby said 7o key fon-returning the same to itsnormal poxsitionfa'nfd. so arranged that thetension 'of fone ismcreasedwhe tlietens'ion of ber-is unaffected, and vice'. versiigracf' sor the other. i V- i 15.-:111 a -telegrapliic transmitter nation,- a frefvbretor adapted y .an 'rical circuit" yloot-h' the do and-dashes@ message a1-ke -leverforcontro ingvtheoperation of sai jiv'ibrator Vand afs'prmg formeA Sing a direct 'connection' "between said key-v lever' and vibrator and on Whiohaid .vibrator osci11ates'-f- "j 2- y HORACE GJMARTIN.

Witnesses: f

MALCOLM NyBUTLnmf MURRAY Commercie i reducing 

